OpenTechnical

OT-2026-000089057

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000089057) never changes.

Identity and time

Publication numberOT-2026-000089057 · never reused
Internal UUID01a0ae9b-daff-7b4c-95fc-b463b474e3da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089057
StatusPUBLIC

Content hashes

Canonical text657e5f560eef3a9c5e2a1bb32f9f5e6f518b23430da96bcc572d0568bfb34f6c
Markdownf20f418c0a95b8301b71854b113fde2f28b994fcb1b373107df598f2bd555b7d
PDF
Publication pagec05b50d7c05f4ec3144649498d3e19c7fff856b9bbe725357aa8601e75782d6b
Manifesta568dd92ad09bc20d1c411a40956c2b3ead138976ecb1c0137291b3c0a28341f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturekteo2hG+ev4pZDndaYmK74YX1apWBthbxdz7RK6DSTqfdIb5prQSDL3vrH5kpvQiJcGxhqVEJ4bir1CNIr8TCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:57.304139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089057
observed c05b50d7c05f4ec3144649498d3e19c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.286605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089057/manifest.json
observed a568dd92ad09bc20d1c411a40956c2b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.269947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089057/publication.md
observed f20f418c0a95b8301b71854b113fde2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.255162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089057/publication.txt
observed 657e5f560eef3a9c5e2a1bb32f9f5e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.